Das, R C <br/><br/>
Science teaching in schools 

 - 2nd ed. 
 - New Delhi  sterling  1985 
 - xv+264 
<br/><br/><label>Subjects--Topical Terms: </label><br/>teaching,schools
<br/><br/><label>Dewey Class. No.: </label>372.35  DAS;1  R